docs: note screenshot UI may differ from current version

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Author: rin-st

README.md

@@ -69,6 +69,8 @@ yarn start
 
 📱 Open http://localhost:3000 to see the app.
 
+> _Note: the UI in screenshots may differ slightly from the current version._
+
 > 👩‍💻 Restart `yarn chain` and then rerun `yarn deploy` whenever you want to deploy contract changes to the frontend. Run `yarn deploy --reset` for a completely fresh deploy, even when contracts are unchanged.
 
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extension/README.md.args.mjs

@@ -53,6 +53,8 @@ yarn start
 
 📱 Open http://localhost:3000 to see the app.
 
+> _Note: the UI in screenshots may differ slightly from the current version._
+
 > 👩‍💻 Restart \`yarn chain\` and then rerun \`yarn deploy\` whenever you want to deploy contract changes to the frontend. Run \`yarn deploy --reset\` for a completely fresh deploy, even when contracts are unchanged.
 
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